chore(deps-dev): bump @vitest/coverage-v8 from 2.1.5 to 2.1.8

Bumps [@vitest/coverage-v8](https://github.com/vitest-dev/vitest/tree/HEAD/packages/coverage-v8) from 2.1.5 to 2.1.8.
- [Release notes](https://github.com/vitest-dev/vitest/releases)
- [Commits](https://github.com/vitest-dev/vitest/commits/v2.1.8/packages/coverage-v8)

---
updated-dependencies:
- dependency-name: "@vitest/coverage-v8"
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -45,7 +45,7 @@
     "@commitlint/config-conventional": "^19.6.0",
     "@typescript-eslint/eslint-plugin": "^8.18.1",
     "@typescript-eslint/parser": "^8.0.1",
-    "@vitest/coverage-v8": "^2.0.2",
+    "@vitest/coverage-v8": "^2.1.8",
     "autoprefixer": "^10.4.20",
     "concurrently": "^9.1.0",
     "eslint": "^8.57.1",

packages/backend/package.json

@@ -99,7 +99,7 @@
     "@types/node": "^20",
     "@typescript-eslint/eslint-plugin": "^8.18.1",
     "@typescript-eslint/parser": "^6.16.0",
-    "@vitest/coverage-v8": "^2.0.2",
+    "@vitest/coverage-v8": "^2.1.8",
     "@xterm/xterm": "^5.5.0",
     "@xterm/addon-fit": "^0.10.0",
     "@xterm/addon-attach": "^0.11.0",